Stories & Updates

Why fermented rice, why 70%, and what the fermentation actually changes.

Cold air and indoor heating pull water out of skin. Four small changes that keep it comfortable until spring.

Why marks linger after a blemish heals, how long they usually take to fade, and what speeds that up.

What each Sera container is made of, how to recycle it and where refills make sense.

The simple rule behind every routine, plus the three exceptions worth knowing.

Pore size is mostly set by genetics. How they look is not. A realistic guide to smaller-looking pores.

Sunscreen wears off through the day. Three ways to top it up without starting your makeup again.

A four-week plan for starting a retinoid, with the small changes that keep dryness and flaking under control.

Ceramides alone help. Ceramides with cholesterol and fatty acids in the right balance help more. Here is why the ratio matters.

Short nights, low water intake and stress each leave a different mark on skin. How to read the signs, and a five-minute evening routine.

Cabin air, air conditioning and window-seat sun all change how skin behaves. A short packing list for flights and travel days.

When a tinted mineral sunscreen can replace foundation, when it cannot, and how to wear the two together.

Cleanse, moisturize, protect. Why three steps cover most skin, and the signs that it is time to add a serum.

How to pick one serum for one goal, which ingredient does what, and how long to give it before you judge.

Foundation sits on whatever goes underneath. Three prep steps, a light-coverage method and how to test a shade on the jawline.

Our reason for leaving out fragrance and essential oils, and what our products smell like as a result.